Kowalski, Piotr 3.3 Chemistry and Physics of Earth Materials, 3.0 Geodynamics and Geomaterials, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;
Kowalski, P. (2010): Understanding the Oldest White Dwarfs: Atmospheres of Cool WDs as Extreme Physics Laboratories, (AIP Conference Proceedings; 1273), 17th European White Dwarf Workshop (Tübingen, Germany 2010).https://doi.org/10.1063/1.3527855